java执行Linux命令

 1 public class StreamGobbler extends Thread {  
 2       
 3     InputStream is;  
 4     String type;  
 5   
 6     public StreamGobbler(InputStream is, String type) {  
 7         this.is = is;  
 8         this.type = type;  
 9     }  
10   
11     public void run() {  
12         try {  
13             InputStreamReader isr = new InputStreamReader(is);  
14             BufferedReader br = new BufferedReader(isr);  
15             String line = null;  
16             while ((line = br.readLine()) != null) {  
17                 if (type.equals("Error")) {  
18                     System.out.println("Error   :" + line);  
19                 } else {  
20                     System.out.println("Debug:" + line);  
21                 }  
22             }  
23         } catch (IOException ioe) {  
24             ioe.printStackTrace();  
25         }  
26     }  
27 }  

 1 private void shell(String cmd)
 2     {
 3         String[] cmds = { "/bin/sh", "-c", cmd };
 4         Process process;
 5 
 6         try
 7         {
 8             process = Runtime.getRuntime().exec(cmds);
 9 
10             StreamGobbler errorGobbler = new StreamGobbler(process.getErrorStream(), "Error");
11             StreamGobbler outputGobbler = new StreamGobbler(process.getInputStream(), "Output");
12             errorGobbler.start();
13             outputGobbler.start();
14             try
15             {
16                 process.waitFor();
17             }
18             catch (InterruptedException e)
19             {
20                 e.printStackTrace();
21             }
22         }
23         catch (IOException e)
24         {
25             e.printStackTrace();
26         }
27     }